功率因数矫正仿真根据对Boost电路工作原理和有源功率因数校正（APFC）控制方案的研究分析，设计了一款采用Boost电路的APFC变换器。输入电压为220V±10％（198VAC~242VAC）。(Power factor correction simulation based on Boost circuit principle and active power factor correction (APFC) control scheme research and analysis, designed an APFC converter using Boost circuit. The input voltage is 220 V +10%(198VAC~242 VAC).)